#include "config.h"
#include "display.h"
#include <stdlib.h>

#define  DISP_MAX_X                     80       /* Maximum number of columns                          */
#define  DISP_MAX_Y                     25       /* Maximum number of rows                             */


uint8 random(uint8 seed)
{
	return ((((uint16) rand())^((uint16) rand())+TL0) % (uint16)seed);
}


void PC_DispClrScr (uint8 color)
{
	uint8 xdata *pscr;
	uint16 i;


	pscr = 0x0000;
	for (i = 0; i < (DISP_MAX_X * DISP_MAX_Y); i++)
	{
		*pscr++ = ' ';
		*pscr++ = color;
	}
}


void PC_DispChar (uint8 x,uint8 y,uint8 cc,uint8 color)
{
	uint8 xdata *pscr;


	pscr = (uint8 xdata *)((uint16)y * DISP_MAX_X * 2 + (uint16 )x * 2);
	*pscr++ = cc;
	*pscr = color;
}



void PC_DispStr (uint8 x,uint8 y,uint8 *s,uint8 color)
{
	uint8 xdata *pscr;

	pscr = (uint8 xdata *)((uint16 )y * DISP_MAX_X * 2 + (uint16)x * 2);
	while (*s) {
		*pscr++ = *s++;
		*pscr++ = color;
	}
}
